<!-- 定义模版对象 -->
<template>
  <div class="login_container">
    <div class="login_box">
      <!-- 头像区域-->
      <div class="avatar_box">
        <img src="../assets/logo.png" alt="VUE图片" />
      </div>

      <!-- 登陆表单区域
              ref代表当前表单引用对象
             :model 是表格中封装的对象
        -->
      <el-form ref="loginFormRef" label-width="0" class="login_form" :model="loginForm" :rules="rules">
        <el-form-item prop="username">
          <el-input prefix-icon="iconfont iconuser" v-model="loginForm.username"></el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input prefix-icon="iconfont iconsuo" type="password" v-model="loginForm.password" @change="login">
          </el-input>
        </el-form-item>
        <el-form-item class="btns">
          <el-button type="primary" @click="login">登录</el-button>
          <el-button type="info" @click="resetBtn">重置</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<!-- 定义JS变量 -->
<script>
  export default {
    data() {
      return {
        loginForm: {
          username: '',
          password: ''
        },
        //定义表单的验证规则
        rules: {
          //定义校验用户名
          username: [{
              required: true,
              message: '请输入用户名',
              trigger: 'blur'
            },
            {
              min: 3,
              max: 30,
              message: '长度在 3 到 30 个字符',
              trigger: 'blur'
            }
          ],
          //定义校验密码
          password: [{
              required: true,
              message: '请输入密码',
              trigger: 'blur'
            },
            {
              min: 3,
              max: 30,
              message: '长度在 3 到 30 个字符',
              trigger: 'blur'
            }
          ]
        }
      }
    },
    methods: {
      resetBtn() {
        //this对象代表当前组件对象
        //console.log(this)
        //实现数据重置
        this.$refs.loginFormRef.resetFields()
      },
      login() {
        let params = new URLSearchParams()
        params.append('username', this.loginForm.username);
        params.append('password', this.loginForm.password);
        params.append('client_id', 'gateway-client');
        params.append('grant_type', 'password');
        params.append('client_secret', '123456');


        //获取表单对象之后进行数据校验
        //valid 表示校验的结果 true表示通过  false表示失败
        this.$refs.loginFormRef.validate(async valid => {
          //如果没有完成校验则直接返回
          if (!valid) return

          //如果校验成功,则发起ajax请求
          const result = await this.$http.post('nono/oauth/token', params)
          console.log(result)
             window.localStorage.setItem("accessToken",result.data.access_token);

         // window.sessionStorage.setItem("token", data.token)
          this.$router.push("/index")

          this.$message.success("用户登陆成功")




        })
      }
    }
  }
</script>

<!-- 防止组件冲突 -->
<style lang="less" scoped>
  .login_container {
    background-color: #2b4b6b;
    height: 100%;
  }

  .login_box {
    width: 450px;
    height: 300px;
    background-color: #FFFFFF;
    /* 设定圆弧角*/
    border-radius: 10px;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);

    .avatar_box {
      height: 130px;
      width: 130px;
      border: 1px solid #EEEEEE;
      border-radius: 50%;
      padding: 10px;
      box-shadow: 0 0 10px #DDDDDD;
      /* 添加阴影*/
      position: absolute;
      /* 绝对定位*/
      left: 50%;
      /* 距离左侧50%*/
      transform: translate(-50%, -50%);
      /*回调50%*/
      background-color: #FFFFFF;

      img {
        height: 100%;
        width: 100%;
        border-radius: 50%;
        background-color: #EEEEEE;
      }
    }

    .btns {
      display: flex;
      justify-content: flex-end;

    }

    .login_form {
      position: absolute;
      bottom: 0;
      width: 100%;
      padding: 0 20px;
      box-sizing: border-box;
    }
  }
</style>
